<template>
  <div class="outer">
    <!-- 三级分类导航 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--面包屑导航-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <span href="#">全部结果</span>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类面包屑 -->
            <li v-show="searchParams.categoryName" class="with-x">
              {{ searchParams.categoryName }}
              <i @click="removeCategoryName">x</i>
            </li>
            <!-- 关键字 的 面包屑 -->
            <li v-show="searchParams.keyword" class="with-x">
              {{ searchParams.keyword }}
              <i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌名 的 面包屑 -->
            <li v-show="searchParams.trademark" class="with-x">
              {{ searchParams.trademark.split(":")[1] }}
              <i @click="removeTrademark">×</i>
            </li>

            <!-- 商品属性 的 面包屑 -->
            <li
              v-for="(p, index) in searchParams.props"
              :key="index"
              class="with-x"
            >
              {{ p | goodsArrs }}

              <i @click="removeAttrs(index)">×</i>
            </li>
          </ul>
        </div>

        <!-- 搜索器 -->
        <SearchSelector
          v-if="total"
          @gettrademark="savetrademark"
          @get-attr="saveattr"
        />

        <!--商品展示区-->
        <div v-if="total" class="details clearfix">
          <!-- 列表操作区 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li @click="changeOrder(1)" :class="{ active: orderType == 1 }">
                  <a
                    >综合
                    <span
                      v-show="orderType == 1"
                      class="iconfont"
                      :class="orderClassName"
                    >
                    </span>
                  </a>
                </li>
                <li @click="changeOrder(2)" :class="{ active: orderType == 2 }">
                  <a
                    >价格
                    <span
                      v-show="orderType == 2"
                      class="iconfont"
                      :class="orderClassName"
                    ></span>
                  </a>
                </li>
                <li>
                  <a>新品</a>
                </li>
                <li>
                  <a>评价</a>
                </li>
                <li>
                  <a>价格</a>
                </li>
                <li>
                  <a>价格 </a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="g in goodsList" :key="g.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${g.id}`"><img :src="g.defaultImg"/></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ g.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link :title="g.title"
                        :to="`/detail/${g.id}`"
                      >
                      <span  v-html="g.title"></span>
                    </router-link>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination
            :total="Number(total)"
            :pageSize="this.searchParams.pageSize"
            :pageNo="this.searchParams.pageNo"
            :changepageno="changepageno"
          />
        </div>
        <!-- 无数据 -->
        <div v-if="!total" class="empty">
          <img
            src="https://static.360buyimg.com/devfe/error-new/1.0.0/css/i/error_06.png"
            alt=""
          />
          <h1>抱歉，搜索结果为空！</h1>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector";
import { mapState } from "vuex";
export default {
  name: "Search",
  computed: {
    // ...mapState("search", ["searchList"]),
    ...mapState({
      goodsList: (state) => state.search.searchList.goodsList,
      total: (state) => state.search.searchList.total,
    }),
    orderClassName() {
      let flag = this.searchParams.order.split(":")[1];
      return flag === "desc" ? "icon-icon_down" : "icon-icon_up";
    },
    orderType() {
      return this.searchParams.order.split(":")[0];
    },
  },
  methods: {
    //移除 分类名称
    removeCategoryName() {
      //获取保存 keyword 关键字
      let { keyword } = this.$route.query;
      //跳转
      this.$router.push({
        path: "/search",
        query: {
          keyword,
        },
      });
    },
    //移除关键字
    removeKeyword() {
      //获取地址栏query参数
      let { query } = this.$route;

      // //浅拷贝
      // let query1 =  JSON.parse(JSON.stringify(query));
      // delete query1.keyword;

      //重新跳转，利用 watch 监听 $route 变化
      this.$router.push({
        path: "/search",
        query: {
          ...query,
          keyword: undefined,
        },
      });
      //调用全局事件总线清空header组件中的输入框
      this.$bus.$emit("clearkeyword");
    },
    //接受子组件传递的品牌数据
    savetrademark(trademark) {
      //console.log(trademark);
      //为  searchParams  品牌 赋值数据
      this.searchParams.trademark = trademark.tmId + ":" + trademark.tmName;
      //重新发送请求
      //调用 store 中的 actions 方法请求搜索列表的数据
      this.$store.dispatch("search/asyncGetSearchList", this.searchParams);
    },
    removeTrademark() {
      this.searchParams.trademark = "";
    },
    //接受子组件传递的商品属性 数据
    saveattr(attrs, value) {
      // console.log("接受到的子组件的数据",attrs,value);
      //准备商品属性数据格式
      let str = attrs.attrId + ":" + value + ":" + attrs.attrName;
      this.searchParams.pageNo = 1;

      //查询数组中是否存在某个商品属性
      let bol = this.searchParams.props.includes(str);

      if (!bol) {
        //向 searchparams 中的 props  添加商品属性
        this.searchParams.props.push(str);
        //调用 store 中的 actions 方法请求搜索列表的数据
        this.$store.dispatch("search/asyncGetSearchList", this.searchParams);
      }
    },
    //移处商品属性
    removeAttrs(i) {
      this.searchParams.props.splice(i, 1);
      this.searchParams.pageNo = 1;
    },

    //
    changepageno(n) {
      //更新pageNo
      this.searchParams.pageNo = n;
    },
    //点击改变排序状态
    changeOrder(type) {
      //获取之前的order数据
      let [a, b] = this.searchParams.order.split(":");
      //判断点击的type 和 目前的数据 currentType
      if (type == a) {
        //若相等，则改变图标
        let flag = b === "asc" ? "desc" : "asc";
        //重新拼接数据
        this.searchParams.order = type + ":" + flag;
      } else {
        //不相等则改变type和固定的降序
        this.searchParams.order = type + ":desc";
      }
    },
  },
  data() {
    return {
      searchParams: {
        category1Id: "", //一级分类 ID【可选参数】
        category2Id: "", //二级分类 ID【可选参数】
        category3Id: "", //三级分类 ID【可选参数】
        categoryName: "", //分类名字【可选参数】
        keyword: "", //搜索关键字【可选参数】
        order: "1:desc", //排序【可选参数】
        props: [], //商品属性【可选参数】
        trademark: "", //商品品牌【可选参数】
        pageNo: 1, //当前页码【必选参数】
        pageSize: 10, //每页展示数量【必选参数】
      },
    };
  },
  components: {
    SearchSelector,
  },
  watch: {
    //监听路由，只要路由发生变化每次返回新的路由对象不需要深度监视
    $route: {
      immediate: true,
      handler(value) {
        // console.log(value.query);
        //更新对应的  searchParams  数据
        // this.searchParams = {...this.searchParams,
        // 	...{
        // 	category1Id:"",  //一级分类 ID【可选参数】
        // 	category2Id:"",  //二级分类 ID【可选参数】
        // 	category3Id: "",      //三级分类 ID【可选参数】
        // 	categoryName: "",   //分类名字【可选参数】
        // 	keyword: "", //搜索关键字【可选参数】
        // 	},
        // ...value.query}
        //将 query 参数 赋值给 searchParams
        Object.assign(
          this.searchParams,
          {
            category1Id: "", //一级分类 ID【可选参数】
            category2Id: "", //二级分类 ID【可选参数】
            category3Id: "", //三级分类 ID【可选参数】
            categoryName: "", //分类名字【可选参数】
            keyword: "", //搜索关键字【可选参数】
          },
          value.query
        );
        //调用 store 中的 actions 方法请求搜索列表的数据
        this.$store.dispatch("search/asyncGetSearchList", this.searchParams);
      },
    },
    //监视
    searchParams: {
      deep: true, //深度监视
      handler() {
        //调用 store 中的 actions 方法请求搜索列表的数据
        this.$store.dispatch("search/asyncGetSearchList", this.searchParams);
      },
    },
  },
  filters: {
    goodsArrs(p) {
      return p.split(":")[2] + ":" + p.split(":")[1];
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            span:hover{
                    color: #c81623;
                  }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
    .empty {
      margin: 20px auto;
      text-align: center;
      color: rgb(180, 178, 178);
    }
  }
}
</style>
